Use the following information for questions 4 and 5 An investor with $1,000,000 forms an investment portfolio. He invests $200,000 in Stock Q. $300,000 in Stock R. $150,000 in the risk-free security, and the remaining wealth in the market portfolio. The beta for stock Qis 1.5, and the beta for the investment portfolio is 0.87. The return on the risk-free rate is 2.1%, and the market portfolio's expected return is 9.6%. What is the expected return for the portfolio? 9.541% 11.796% 7.651% 12.234%